Portable sliding ladder for tunnel maintenance operation

Abstract

The utility model discloses a portable sliding ladder for tunnel maintenance operation, which comprises a standing panel, symmetrical connecting brackets are movably connected to the side surfaces of the standing panel, a shaft tube is movably connected to the lower end of the standing panel, bracket bases are movably connected to the lower ends of the connecting brackets, and the shaft tube is movably connected to the bracket bases. A plurality of third mounting bases are fixedly connected to the upper end of the standing panel, a handrail is movably connected to the upper end of the standing panel, first rotating bases are symmetrically and fixedly connected to the side faces of the standing panel, and second rolling wheels are correspondingly and movably connected to the first rotating bases; the lower end of the support base is correspondingly and fixedly connected with a mounting base, the lower end of the connecting support is sleeved with symmetrical and movably connected shaft sleeve supports, the shaft sleeve supports are sleeved with symmetrical and movably connected support bases, and the other end of the clamping rod is movably connected to the clamping groove. Through the structure, the unfolding height of the staircase can be adjusted to adapt to different maintenance scenes, and safety protection is provided for maintenance personnel.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sliding ladder, especially to portable tunnel maintenance operation sliding ladder. BACKGROUND

[0002] As the key node of the traffic network, the tunnel is widely used in the railway, highway and subway system. Because of the long-term geological changes, the bad environment and the impact of the vehicles, the structure and the auxiliary facilities of the tunnel are prone to cracks, water leakage and lining peeling and other diseases. These diseases not only reduce the service life of the tunnel, but also may cause serious safety accidents.

[0003] In the actual tunnel maintenance operation, the existing maintenance equipment exposes many drawbacks. The traditional maintenance ladder is bulky, cannot be folded and telescopic, and occupies a large space when stored. In the warehouse of the tunnel management unit, the limited space needs to store various maintenance equipment, and the storage of the large maintenance ladder not only occupies the valuable space, but also increases the difficulty of equipment management. UTILITY MODEL CONTENT

[0004] The utility model aims at providing portable tunnel maintenance operation sliding ladder, can adjust stair unfolded height, adapts to different maintenance scene, provides safe protection for maintenance personnel.

[0005] In order to realize the above-mentioned purpose, provide portable tunnel maintenance operation sliding ladder, including standing panel, the side surface movable joint of standing panel is connected with the symmetrical connecting support, the lower end movable joint of standing panel has the axle pipe, the lower end movable joint of connecting support has the support base.

[0006] According to the portable tunnel maintenance operation sliding ladder, the upper end of the standing panel is fixedly connected with a plurality of third mounting seats, the upper end of the standing panel is movably connected with a handrail, and the lower end of the handrail is movably connected with the third mounting seat.

[0007] According to the portable tunnel maintenance operation sliding ladder, the side surface of the standing panel is fixedly connected with the first rotating seat, and the first rotating seat is movably connected with the second roller.

[0008] According to the portable tunnel maintenance operation sliding ladder, the lower end of the support base is fixedly connected with the mounting base, the lower end of the mounting base is fixedly connected with the second rotating seat, and the second rotating seat is movably connected with the first roller.

[0009] According to the portable tunnel maintenance sliding ladder, the lower end of the standing panel is fixedly connected to a symmetrical second mounting base, the upper end of the mounting base is fixedly connected to a first mounting base, the lower end of the second mounting base is movably connected to a shaft tube, the upper end of the first mounting base is movably connected to a connecting rod, and the shaft tube is sleeved and movably connected to the connecting rod.

[0010] According to the portable tunnel maintenance slide, the lower end of the connecting bracket is fitted with a symmetrical movable connecting bushing bracket, the bushing bracket is fitted with a symmetrical movable connecting bracket base, one end of the connecting bracket is fixedly connected to a connecting block, the connecting block is movably connected to the standing panel, and a staircase is fixedly connected to the connecting bracket, bushing bracket, and bracket base.

[0011] According to the portable tunnel maintenance sliding ladder, the bushing bracket and the bracket base are provided with sliding grooves, and the side of the connecting bracket and the bushing bracket is fixedly connected with a limit button, which is movably connected to the sliding groove.

[0012] According to the portable tunnel maintenance sliding ladder, a third rotating seat is fixedly connected to the side of the bushing bracket and the support base, and a snap-fit ​​groove is fixedly connected to the side of the bushing bracket and the support base. A snap-fit ​​rod is movably connected to the third rotating seat, and the other end of the snap-fit ​​rod is movably connected to the snap-fit ​​groove.

[0013] Beneficial effects:

[0014] 1. The first and second rollers are equipped with movable shaft tubes and connecting rods, allowing the slide to move flexibly in the tunnel. The unfolded height of the stairs can be adjusted through the slide groove and limit button to adapt to different maintenance scenarios.

[0015] 2. The connecting bracket is movably connected to the standing panel, and the locking rods of the bushing bracket and bracket base ensure the stability of the slide structure. In addition, the handrail design provides safety protection for maintenance personnel.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is a perspective view of the portable tunnel maintenance slide proposed in this utility model;

[0019] Figure 2 This is a cross-sectional view of the portable tunnel maintenance slide proposed in this utility model;

[0020] Figure 3 The utility model provides a portable tunnel maintenance operation sliding ladder's stair structure schematic view is shown in the figure,

[0021] Figure 4 The utility model provides Figure 3 The enlarged view of A in the figure.

[0022] Legend:

[0023] 1, standing panel; 2, handrail; 3, connecting support; 4, shaft sleeve support; 5, support base; 6, stair; 7, first rotary seat; 8, limiting knob; 9, mounting base; 10, second rotary seat; 11, first roller; 12, shaft tube; 13, connecting rod; 14, first mounting seat; 15, second mounting seat; 16, third mounting seat; 17, connecting block; 18, second roller; 19, sliding groove; 20, third rotary seat; 21, clamping rod; 22, clamping groove. Specific embodiments

[0024] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] With reference to Figures 1-4 , the utility model embodiment portable tunnel maintenance operation sliding ladder, it includes standing panel 1, the side surface swing joint of standing panel 1 is connected with the symmetry connecting support 3, the lower end swing joint of standing panel 1 is connected with the shaft tube 12, the lower end swing joint of connecting support 3 is connected with support base 5.

[0026] Specifically: the upper end of standing panel 1 is fixedly connected with a plurality of third mounting seats 16, the upper end of standing panel 1 is swingly connected with handrail 2, and the lower end of handrail 2 is swingly connected to the third mounting seat 16 correspondingly, to provide reliable support for the maintenance personnel.

[0027] Specifically: the side surface of standing panel 1 is fixedly connected with the symmetry first rotary seat 7, and the second roller 18 is swingly connected to the first rotary seat 7 correspondingly, to reduce the moving resistance.

[0028] Specifically: the lower end of support base 5 is fixedly connected with the mounting base 9 correspondingly, the lower end of mounting base 9 is fixedly connected with the second rotary seat 10, the first roller 11 is swingly connected to the second rotary seat 10, to facilitate the movement of the sliding ladder in the tunnel.

[0029] Specifically, the lower end of the standing panel 1 is fixedly connected with symmetrical second mounting seats 15, the upper end of the mounting base 9 is fixedly connected with a first mounting seat 14, the lower end of the second mounting seat 15 is movably connected with a shaft tube 12, the upper end of the first mounting seat 14 is movably connected with a connecting rod 13, the shaft tube 12 is movably connected with the connecting rod 13, and the height of the sliding ladder is flexibly adjusted.

[0030] Specifically, the lower end of the connecting bracket 3 is movably sleeved with symmetrical shaft sleeve brackets 4, the shaft sleeve brackets 4 are movably sleeved with symmetrical bracket bases 5, one end of the connecting bracket 3 is fixedly connected with a connecting block 17, the connecting block 17 is movably connected with the standing panel 1, and the connecting bracket 3, the shaft sleeve bracket 4 and the bracket base 5 are fixedly connected with a staircase 6.

[0031] Specifically, the shaft sleeve bracket 4 and the bracket base 5 are provided with sliding grooves 19, the side surfaces of the connecting bracket 3 and the shaft sleeve bracket 4 are fixedly connected with limit knobs 8, the limit knobs 8 are movably connected with the sliding grooves 19, and the unfolding height of the staircase 6 is accurately controlled.

[0032] Specifically, the side surfaces of the shaft sleeve bracket 4 and the bracket base 5 are fixedly connected with third rotating seats 20, the side surfaces of the shaft sleeve bracket 4 and the bracket base 5 are fixedly connected with clamping grooves 22, the third rotating seats 20 are movably connected with clamping rods 21, and the other ends of the clamping rods 21 are movably connected with the clamping grooves 22, so that the structure of the sliding ladder is stable.

[0033] Working principle:

[0034] When the sliding ladder is moved, the first rollers 11 on the bracket bases 5 and the second rollers 18 on the side surfaces of the standing panel 1 play a role. The first rollers 11 are sleeved on the second rotating seats 10, and the second rollers 18 are connected with the first rotating seats 7, so that the moving resistance of the sliding ladder is reduced, and the sliding ladder is conveniently moved in the tunnel. When the height of the sliding ladder needs to be adjusted, the shaft tube 12 movably connected with the second mounting seat 15 at the lower end of the standing panel 1 is matched with the connecting rod 13 connected with the first mounting seat 14 at the upper end of the mounting base 9. The shaft tube 12 is sleeved on the connecting rod 13, and the height is adjusted through relative sliding. At the same time, the unfolding height of the staircase 6 on the connecting bracket 3, the shaft sleeve bracket 4 and the bracket base 5 can be accurately controlled by the cooperation of the limit knobs 8 and the sliding grooves 19. The limit knobs 8 are fixed on the side surfaces of the connecting bracket 3 and the shaft sleeve bracket 4 and slide in the sliding grooves 19 to determine the unfolding degree of the staircase 6. After reaching the working position, in order to ensure the stability of the structure of the sliding ladder, the clamping rods 21 on the side surfaces of the shaft sleeve bracket 4 and the bracket base 5 play a role. One end of the clamping rod 21 is connected with the third rotating seat 20, and the other end is clamped into the clamping groove 22 to prevent the sliding ladder from shaking. The handrails 2 movably connected with the third mounting seats 16 at the upper end of the standing panel 1 provide reliable support for the maintenance personnel and reduce the operation risk.

[0035] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range of ordinary skill in the art person who has possessed under the premise of not departing from the utility model tenet.

Claims

1. A portable tunnel maintenance work slide, including a standing panel (1), characterized in that: The side of the standing panel (1) is movably connected to a symmetrical connecting bracket (3), the lower end of the standing panel (1) is movably connected to a shaft tube (12), and the lower end of the connecting bracket (3) is movably connected to a bracket base (5).

2. The portable tunnel maintenance slide according to claim 1, characterized in that, The upper end of the standing panel (1) is fixedly connected to a plurality of third mounting bases (16), and the upper end of the standing panel (1) is movably connected to a handrail (2), and the lower end of the handrail (2) is correspondingly movably connected to the third mounting base (16).

3. The portable tunnel maintenance slide according to claim 1, characterized in that, The side of the standing panel (1) is symmetrically fixedly connected to a first rotating seat (7), and a second roller (18) is correspondingly movably connected to the first rotating seat (7).

4. The portable tunnel maintenance slide according to claim 1, characterized in that, The lower end of the bracket base (5) is fixedly connected to the mounting base (9), and the lower end of the mounting base (9) is fixedly connected to the second rotating seat (10). The second rotating seat (10) is fitted with a first roller (11) that is movably connected.

5. The portable tunnel maintenance slide according to claim 4, characterized in that, The lower end of the standing panel (1) is fixedly connected to a symmetrical second mounting seat (15), the upper end of the mounting base (9) is fixedly connected to a first mounting seat (14), the lower end of the second mounting seat (15) is movably connected to a shaft tube (12), the upper end of the first mounting seat (14) is movably connected to a connecting rod (13), and the shaft tube (12) is sleeved and movably connected to the connecting rod (13).

6. The portable tunnel maintenance slide according to claim 1, characterized in that, The lower end of the connecting bracket (3) is fitted with a symmetrical movable connecting bushing bracket (4), and the bushing bracket (4) is fitted with a symmetrical movable connecting bracket base (5). One end of the connecting bracket (3) is fixedly connected to a connecting block (17), and the connecting block (17) is movably connected to the standing panel (1). A staircase (6) is fixedly connected to the connecting bracket (3), bushing bracket (4), and bracket base (5).

7. The portable tunnel maintenance slide according to claim 6, characterized in that, The bushing bracket (4) and the bracket base (5) are provided with a sliding groove (19). The side of the connecting bracket (3) and the bushing bracket (4) is fixedly connected with a limit button (8), and the limit button (8) is movably connected to the sliding groove (19).

8. The portable tunnel maintenance slide according to claim 7, characterized in that, The bushing bracket (4) and the bracket base (5) are fixedly connected to a third rotating seat (20). The bushing bracket (4) and the bracket base (5) are fixedly connected to a snap-fit ​​groove (22). The third rotating seat (20) is movably connected to a snap-fit ​​rod (21). The other end of the snap-fit ​​rod (21) is movably connected to the snap-fit ​​groove (22).

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